Fix bug 860875: Offer localized build from query param.

Fix bug 860819: Wrap strings for l10n.
[bug 859564] Add /b/ redirect for /contribute/universityambassadors/
Merge pull request #820 from glogiotatidis/859564-b

[bug 859564] Add /b/ redirect for /contribute/universityambassadors/
Bug 856919 - Fix request.locale attribute error

Getting an AttributeError from request.locale on the 500
error handler path. Check for .locale before referencing it.
Merge pull request #791 from dpoirier/856919-no-locale-in-request

Bug 856919 - Fix request.locale attribute error
Bug 868022 - Template changes on plugincheck for l10n
Make 'vulnerable' and 'unknown' strings localizable
Bug 858645 privacy page layout broken in IE9
Bug 868075 - Improve a11y of tabzilla with tab/tabpanel
Merge pull request #824 from pascalchevrel/bug-868022-Template_updates_for_l10n

Bug 868022 - Template changes on plugincheck for l10n
Merge pull request #689 from icaaq/tabpanels-tabzilla

Improved a11y with tab/tabpanel resulted in a quite big refactoring
Merge pull request #810 from retornam/bug-858645-broken-layout

Bug 858645 privacy page layout broken in IE9
Bug 868075 - adds public open and close calls to Tabzilla
Merge pull request #825 from icaaq/public-tabzilla-functions

Bug 868075 - add public open and close calls to Tabzilla
Conditional formatting for iOS visitors on download buttons

This is to show the unsupported content block on 'firefox/new' page to
iOS users, hiding the download button.

tidy up

move ios unsupported login into buttons.less

tidy up
Merge pull request #826 from alexgibson/iosdetect

Conditional formatting for iOS on download button.

Fix bug 767985
Bug 867516 - Fix missing bullets on home page tabs
Bug 857842: Force installer-help page to offer full installer.
Merge pull request #805 from pmclanahan/use-lang-from-stub-installer

Fix bug 860875: Offer localized build from query param.